Örebro Chamber Orchestra
type: MusicGroup
popularity: 5
followers: 166
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ba1ea1b12f7724c127acd7b6d4ebd0eefd8822113d42775164a7a7770df43cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92376598-18d9-4ef1-add3-7e8a5c54d9f8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92376598-18d9-4ef1-add3-7e8a5c54d9f8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/92376598-18d9-4ef1-add3-7e8a5c54d9f8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ba1ea1b12f7724c127acd7b6d4ebd0eefd8822113d42775164a7a7770df43cf","name":"Örebro Chamber Orchestra","registered_at":"2026-06-17T16:42:33Z","symbol":"NIM1456150","token_address":"0xb7ab367cdd481b0114cca220de6c96b4bb623550","type":"artist","uuid":"92376598-18d9-4ef1-add3-7e8a5c54d9f8"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba1ea1b12f7724c127acd7b6d4ebd0eefd8822113d42775164a7a7770df43cf. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92376598-18d9-4ef1-add3-7e8a5c54d9f8.json and https://artists.proofprofile.net/proofs/artist/92376598-18d9-4ef1-add3-7e8a5c54d9f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x6ba1ea1b12f7724c127acd7b6d4ebd0eefd8822113d42775164a7a7770df43cf","name":"Örebro Chamber Orchestra","registered_at":"2026-06-17T16:42:33Z","symbol":"NIM1456150","token_address":"0xb7ab367cdd481b0114cca220de6c96b4bb623550","type":"artist","uuid":"92376598-18d9-4ef1-add3-7e8a5c54d9f8"}
album: LilleBror Soderlundh
  type: MusicAlbum
  date published: 2010-10-01
  track: Oboe Concertino: I. Allegro
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195266
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Marten Larsson
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Oboe Concertino: II. Andante sostenuto
    type: MusicRecording
    duration: PT7M31S
    duration ms: 451626
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Marten Larsson
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Oboe Concertino: III. Allegro
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172533
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Marten Larsson
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Allegro concertante: I. Intrada. Andante
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229773
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Kerstin Svensson
    by artist: Jeffrey Lee
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Allegro concertante: II. Allegro
    type: MusicRecording
    duration: PT1M37S
    duration ms: 97400
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Kerstin Svensson
    by artist: Jeffrey Lee
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: 3 Folk Waltzes: Folk Waltz No. 1
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206760
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: 3 Folk Waltzes: Folk Waltz No. 2
    type: MusicRecording
    duration: PT1M57S
    duration ms: 117733
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: 3 Folk Waltzes: Folk Waltz No. 3
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145866
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Havangsvit Suite: I. Intrada
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226066
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Mats Widlund
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Havangsvit Suite: II. Waltzintermezzo
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184306
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Mats Widlund
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Havangsvit Suite: III. Impromptu. Andante
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246626
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Mats Widlund
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Havangsvit Suite: IV. Rondino: Allegro
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170000
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Mats Widlund
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Christina-Musik: I. Pollacca
    type: MusicRecording
    duration: PT4M7S
    duration ms: 247973
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
      type: MusicAlbum
      date published: 2010-10-01
  track: Christina-Musik: II. Sarabanda
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153293
    explicit: false
    by artist: Lille Bror Söderlundh
    by artist: Örebro Chamber Orchestra
    by artist: Thord Svedlund
    in album: LilleBror Soderlundh
  track: Christina-Musik: III. Gavotta
  track: Christina-Musik: IV. Giga
album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings

Thord Svedlund
type: MusicGroup

LilleBror Soderlundh
type: MusicAlbum
date published: 2010-10-01

Christina-Musik: III. Gavotta
type: MusicRecording
duration: PT4M22S
duration ms: 262440
explicit: false
by artist: Lille Bror Söderlundh
by artist: Örebro Chamber Orchestra
by artist: Thord Svedlund
in album: LilleBror Soderlundh
  type: MusicAlbum
  date published: 2010-10-01

Christina-Musik: IV. Giga
type: MusicRecording
duration: PT4M37S
duration ms: 277466
explicit: false
by artist: Lille Bror Söderlundh
by artist: Örebro Chamber Orchestra
by artist: Thord Svedlund
in album: LilleBror Soderlundh
  type: MusicAlbum
  date published: 2010-10-01

Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
type: MusicAlbum
date published: 2019-01-25
track: Barocco, Suite No. 5 for Chamber Orchestra, Op. 23: I. Entrata
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71000
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Barocco Suite No. 5 for Chamber Orchestra, Op. 23: II. Sarabanda
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207440
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Barocco Suite No. 5 for Chamber Orchestra, Op. 23: III. Gavotta
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87600
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Barocco Suite No. 5 for Chamber Orchestra, Op. 23: IV. Pastorale e Gagliarda
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249866
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
  isrc code: DKECA1983604
track: Barocco Suite No. 5 for Chamber Orchestra, Op. 23: V. Siciliana
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255840
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Barocco Suite No. 5 for Chamber Orchestra, Op. 23: VI. Giga
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128146
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Concerto for Violin, Cello and Orchestra, Op. 57: I. Bar 1
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366680
  explicit: false
  by artist: Kurt Atterberg
  by artist: Amus Kerstin Andersson
  by artist: Mats Levin
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  by artist: Örebro Chamber Orchestra
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Concerto for Violin, Cello and Orchestra, Op. 57: II. Bar 171
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366533
  explicit: false
  by artist: Kurt Atterberg
  by artist: Amus Kerstin Andersson
  by artist: Mats Levin
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  by artist: Örebro Chamber Orchestra
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Concerto for Violin, Cello and Orchestra, Op. 57: III. Bar 268
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112080
  explicit: false
  by artist: Kurt Atterberg
  by artist: Amus Kerstin Andersson
  by artist: Mats Levin
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  by artist: Örebro Chamber Orchestra
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Concerto for Violin, Cello and Orchestra, Op. 57: IV. Bar 342
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173826
  explicit: false
  by artist: Kurt Atterberg
  by artist: Amus Kerstin Andersson
  by artist: Mats Levin
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  by artist: Örebro Chamber Orchestra
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Concerto for Violin, Cello and Orchestra, Op. 57: V. Bar 434
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111373
  explicit: false
  by artist: Kurt Atterberg
  by artist: Amus Kerstin Andersson
  by artist: Mats Levin
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  by artist: Örebro Chamber Orchestra
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Sinfonia per archi, Op. 53: I. Con moto
  type: MusicRecording
  duration: PT7M14S
  duration ms: 434213
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Sinfonia per archi, Op. 53: II. Allegro molto
  type: MusicRecording
  duration: PT7M13S
  duration ms: 433653
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Sinfonia per archi, Op. 53: III. Tranquillo
  type: MusicRecording
  duration: PT8M6S
  duration ms: 486066
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25
track: Sinfonia per archi, Op. 53: IV. Allegro molto e ritmico
  type: MusicRecording
  duration: PT7M40S
  duration ms: 460706
  explicit: false
  by artist: Kurt Atterberg
  by artist: Örebro Chamber Orchestra
  by artist: Thord Svedlund
  by artist: Mikael Bergek
  in album: Kurt Atterberg: Concerto for Violin, Cello and Orchestra - Barocco - Sinfonia per archi
    type: MusicAlbum
    date published: 2019-01-25

Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
type: MusicAlbum
date published: 1988-01-01
track: Serenade for String Orchestra, Op. 11: I. Allegro molto
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176466
  explicit: false
  by artist: Royal Stockholm Philharmonic Orchestra
  by artist: Dag Wirén
  by artist: Stig Westerberg
  in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
    type: MusicAlbum
    date published: 1988-01-01
  isrc code: QMDA72186295
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-01-28T20:31:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbc41565e7078194cb011edbb806d27cae3229116b6230770b004550dcf3ccb8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186295
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc41565e7078194cb011edbb806d27cae3229116b6230770b004550dcf3ccb8f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186295.
    date published: 2026-06-13T12:47:07Z
  audio: Serenade for String Orchestra, Op. 11: I. Allegro molto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 73.347
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.315
    additional property: Energy
      type: PropertyValue
      value: 0.155
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.893
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.876
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.296
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.009
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Serenade for String Orchestra, Op. 11: II. Andante espressivo
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237093
  explicit: false
  by artist: Royal Stockholm Philharmonic Orchestra
  by artist: Dag Wirén
  by artist: Stig Westerberg
  in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
    type: MusicAlbum
    date published: 1988-01-01
  isrc code: QMDA72186296
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-01-28T22:30:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe9af54c0fb939acc0c56e0397e13ead2c78a72a7ca3857c8bda80dd26b5f1bb9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186296
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9af54c0fb939acc0c56e0397e13ead2c78a72a7ca3857c8bda80dd26b5f1bb9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186296.
    date published: 2026-06-13T12:47:07Z
  audio: Serenade for String Orchestra, Op. 11: II. Andante espressivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.011
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.295
    additional property: Energy
      type: PropertyValue
      value: 0.08
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.802
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.923
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.214
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.581
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Serenade for String Orchestra, Op. 11: III. Scherzo
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168733
  explicit: false
  by artist: Royal Stockholm Philharmonic Orchestra
  by artist: Dag Wirén
  by artist: Stig Westerberg
  in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
    type: MusicAlbum
    date published: 1988-01-01
  isrc code: QMDA72186297
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-01-28T22:32:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x082a0263d0d2302285ac26e031b88cd65ae50bfc8c3216f3725d7bad3612e794
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Serenade for String Orchestra, Op. 11: III. Scherzo
track: Serenade for String Orchestra, Op. 11: IV. Marcia
track: Sinfonietta in C Major, Op. 7a: I. Molto allegro ed energico
track: Sinfonietta in C Major, Op. 7a: II. Andante espressivo
track: Sinfonietta in C Major, Op. 7a: III. Molto allegro
track: Symphony No. 4, Op. 27: I. Tempo moderato
track: Symphony No. 4, Op. 27: II. Molto vivace
track: Symphony No. 4, Op. 27: III. Tempo moderato
track: Music for String Orchestra, Op. 40: I. Moderato
track: Music for String Orchestra, Op. 40: II. Commodo ma espressivo
track: Music for String Orchestra, Op. 40: III. Tempo moderato
track: Music for String Orchestra, Op. 40: IV. Vivace

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953513

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186297

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082a0263d0d2302285ac26e031b88cd65ae50bfc8c3216f3725d7bad3612e794. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186297.
date published: 2026-06-13T12:47:07Z

Serenade for String Orchestra, Op. 11: III. Scherzo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 118.642
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.338
additional property: Energy
  type: PropertyValue
  value: 0.237
additional property: Speechiness
  type: PropertyValue
  value: 0.048
additional property: Acousticness
  type: PropertyValue
  value: 0.802
additional property: Instrumentalness
  type: PropertyValue
  value: 0.936
additional property: Liveness
  type: PropertyValue
  value: 0.311
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.426
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.925
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Serenade for String Orchestra, Op. 11: IV. Marcia
type: MusicRecording
duration: PT4M30S
duration ms: 270440
explicit: false
by artist: Royal Stockholm Philharmonic Orchestra
by artist: Dag Wirén
by artist: Stig Westerberg
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186298
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:33:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3e51fd7b53bf30f2e42148e63ada31cc30b08a42a0a54c20b7920a65e183ff6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186298
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e51fd7b53bf30f2e42148e63ada31cc30b08a42a0a54c20b7920a65e183ff6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186298.
  date published: 2026-06-13T12:47:07Z
audio: Serenade for String Orchestra, Op. 11: IV. Marcia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.52
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.556
  additional property: Energy
    type: PropertyValue
    value: 0.309
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.891
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.748
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.13
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonietta in C Major, Op. 7a: I. Molto allegro ed energico
type: MusicRecording
duration: PT6M39S
duration ms: 399866
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Stig Westerberg
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:30:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe363be6dfa8c9414d6457c9090dbbedbbeeb6b4a45f6c8e4aab53eeea9171c39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186299
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe363be6dfa8c9414d6457c9090dbbedbbeeb6b4a45f6c8e4aab53eeea9171c39. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186299.
  date published: 2026-06-13T12:47:07Z
audio: Sinfonietta in C Major, Op. 7a: I. Molto allegro ed energico
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.002
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.902
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.593
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonietta in C Major, Op. 7a: II. Andante espressivo
type: MusicRecording
duration: PT4M40S
duration ms: 280093
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Stig Westerberg
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T18:57:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3be70ad520dadace351a9952bda4635c06d0390157194eae2bab0b27694c883c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be70ad520dadace351a9952bda4635c06d0390157194eae2bab0b27694c883c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186300.
  date published: 2026-06-13T12:47:07Z
audio: Sinfonietta in C Major, Op. 7a: II. Andante espressivo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.523
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.132
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.805
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.858
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sinfonietta in C Major, Op. 7a: III. Molto allegro
type: MusicRecording
duration: PT5M55S
duration ms: 355266
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Stig Westerberg
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:31:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x250d0cc9625602cc18adb9494160e86d0aed80dea39e31c2329175552a5c7860
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186301
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250d0cc9625602cc18adb9494160e86d0aed80dea39e31c2329175552a5c7860. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186301.
  date published: 2026-06-13T12:47:07Z
audio: Sinfonietta in C Major, Op. 7a: III. Molto allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.564
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.178
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.183
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.274
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4, Op. 27: I. Tempo moderato
type: MusicRecording
duration: PT7M1S
duration ms: 421600
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Sixten Ehrling
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:30:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51ab8a983284de9fca007e0c59cad1f363d99a3e21b0a29e892dc207d83486a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51ab8a983284de9fca007e0c59cad1f363d99a3e21b0a29e892dc207d83486a7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186302.
  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 4, Op. 27: I. Tempo moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 73.57
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.728
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.075
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4, Op. 27: II. Molto vivace
type: MusicRecording
duration: PT2M8S
duration ms: 128306
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Sixten Ehrling
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:29:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7545a822fce978127f0c3d6e44cfb569454378e344705704f71455fe80c85a9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7545a822fce978127f0c3d6e44cfb569454378e344705704f71455fe80c85a9c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186303.
  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 4, Op. 27: II. Molto vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.646
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.09
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.859
  additional property: Liveness
    type: PropertyValue
    value: 0.337
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.985
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 4, Op. 27: III. Tempo moderato
type: MusicRecording
duration: PT7M15S
duration ms: 435760
explicit: false
by artist: Swedish Radio Symphony Orchestra
by artist: Dag Wirén
by artist: Sixten Ehrling
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01
isrc code: QMDA72186304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:33:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98ef8debf23bcfb5d9b866f933ec2972c6c6e4b3db74bf2d827d11d6dfb060a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186304
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ef8debf23bcfb5d9b866f933ec2972c6c6e4b3db74bf2d827d11d6dfb060a7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72186304.
  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 4, Op. 27: III. Tempo moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.296
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.127
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.803
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.926
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Music for String Orchestra, Op. 40: I. Moderato
type: MusicRecording
duration: PT1M57S
duration ms: 117640
explicit: false
by artist: Örebro Chamber Orchestra
by artist: Dag Wirén
by artist: Lennart Hedwall
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01

Music for String Orchestra, Op. 40: II. Commodo ma espressivo
type: MusicRecording
duration: PT5M4S
duration ms: 304266
explicit: false
by artist: Örebro Chamber Orchestra
by artist: Dag Wirén
by artist: Lennart Hedwall
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01

Music for String Orchestra, Op. 40: III. Tempo moderato
type: MusicRecording
duration: PT3M27S
duration ms: 207960
explicit: false
by artist: Örebro Chamber Orchestra
by artist: Dag Wirén
by artist: Lennart Hedwall
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01

Music for String Orchestra, Op. 40: IV. Vivace
type: MusicRecording
duration: PT2M10S
duration ms: 130240
explicit: false
by artist: Örebro Chamber Orchestra
by artist: Dag Wirén
by artist: Lennart Hedwall
in album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
  type: MusicAlbum
  date published: 1988-01-01